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E.g., 04/29/2017
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  • News

    Food for microbes found on Enceladus

    Saturn’s icy moon Enceladus packs snacks suitable for microbial life.

    Data from the Cassini spacecraft show that the vaporous plume shooting out of the moon’s southern pole contains molecular hydrogen. It is probably generated when water in the moon’s subterranean ocean reacts with rock in its core, researchers report in the April 14 Science. Such reactions at hydrothermal vents and in...

    04/13/2017 - 14:00 Planetary Science, Astrobiology
  • News

    Rules restricting artificial trans fats are good for heart health

    Taking artificial trans fats off the menu reduces hospitalizations for heart attack and stroke, suggests a study that examined what happened after several areas in New York restricted the fats’ use. The findings portend larger scale public health benefits after a nationwide ban on artificial trans fats begins in the United States in 2018.

    Hospital admission rates for heart attacks...

    04/12/2017 - 16:48 Health, Science & Society
  • Science Ticker

    The Great Barrier Reef is experiencing a major coral bleaching event right now

    A severe coral bleaching event spurred by high ocean temperatures has struck the Great Barrier Reef for an unprecedented second time in 12 months, reveal aerial surveys released April 10 by scientists at James Cook University in Townsville, Australia. While last year the northern third of the reef was hardest hit, this time around the reef’s midsection experienced the worst bleaching. The two...

    04/11/2017 - 15:45 Climate, Oceans, Ecosystems
  • News

    Common virus may be celiac disease culprit

    A common and usually harmless virus may trigger celiac disease. Infection with the suspected culprit, a reovirus, could cause the immune system to react to gluten as if it was a dangerous pathogen instead of a harmless food protein, an international team of researchers reports April 7 in Science.

    In a study in mice, the researchers found that the reovirus, T1L, tricks the immune system...

    04/06/2017 - 14:03 Health, Immune Science
  • Letters to the Editor

    Readers question mental health research

    New normal

    People who stay mentally healthy throughout life are exceptions to the rule, a small study suggests. Only 17 percent of study participants experienced no bouts of anxiety, depression or other mental ailments from late childhood to middle age, Bruce Bower reported in “Lasting mental health may be unusual” (SN: 3/4/17, p. 7).

    Reader Lou Floyd found the article disturbing and the...

    04/05/2017 - 10:39 Mental Health, Animals, Physics
  • Feature

    CRISPR had a life before it became a gene-editing tool

    It is the dazzling star of the biotech world: a powerful new tool that can deftly and precisely alter the structure of DNA. It promises cures for diseases, sturdier crops, malaria-resistant mosquitoes and more. Frenzy over the technique — known as CRISPR/Cas9 — is in full swing. Every week, new CRISPR findings are unfurled in scientific journals. In the courts, universities fight over patents...

    04/05/2017 - 09:00 Cells, Microbiology, Molecular Evolution
  • News in Brief

    Food odors are more enticing to sleep-deprived brains

    SAN FRANCISCO — The nose knows when you’re tired.

    Sleep deprivation seems to increase the brain’s sensitivity to food smells, researchers reported March 27 at the Cognitive Neuroscience Society’s annual meeting in San Francisco. That might make snacks more enticing — helping explain why people who burn the candle at both ends tend to eat more and gain weight.

    Adults operating on...

    04/02/2017 - 07:00 Neuroscience
  • Wild Things

    Camera trap catches a badger burying a cow

    The American badger is known to cache carrion in the ground. The animals squirrel away future meals underground, which acts something like a natural refrigerator, keeping their food cool and hidden from anything that might want to steal it. Researchers, though, had never spotted badgers burying anything bigger than a jackrabbit — until 2016, when a young, dead cow went missing in a study of...

    03/31/2017 - 11:00 Animals
  • News

    For glass frogs, moms matter after all

    View the video

    Glass frogs often start life with some tender care from a source scientists didn’t expect: frog moms.

    Maternal care wouldn’t be news among mammals or birds, but amphibian parenting intrigues biologists because dads are about as likely as moms to evolve as the caregiver sex. And among New World glass frogs (Centrolenidae), what little parental care there is almost...

    03/31/2017 - 07:00 Animals, Evolution
  • News in Brief

    Thinning ice creates undersea Arctic greenhouses

    Sea ice skylights formed by warming Arctic temperatures increasingly allow enough sunlight into the waters below to spur phytoplankton blooms, new research suggests. Such conditions, probably a rarity more than two decades ago, now extend to roughly 30 percent of the ice-covered Arctic Ocean during July, researchers report March 29 in Science Advances.

    The microscopic critters need...

    03/29/2017 - 14:00 Oceans, Ecosystems, Climate